> If you're an influential figure at a top-5 department in your field ... you all hate $journal.

That's the problem, they don't hate these journals, they love them. Generally speaking they're old people who became influential by publishing in these journals. Their reputation and influence was built on a pile of Science and Nature papers. Their presentations all include prominent text indicating which figures came from luxury journals. If Science and Nature lose their prestige so do they (or at least that's what they think)

This was very apparent when eLife changed their publishing model. Their was a big outpouring of rage from older scientists who had published in eLife when it was a more standard "high impact" journal. Lots of "you're ruining your reputation and therefore mine".